Design and operation of septic tanks /

Design and operation of septic tanks / third European Seminar for Sanitary Engineers, 27 October-1 November 1952, London, England. - Geneva : World Health Organization, 1953. - 122 p. - World Health Organization monograph series ; no. 18 .


eng fre.

9241400188


Sewage--congresses.

WA 785
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